Displace_

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1800

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$p(i,j)=\frac{j-1}{k-1}p(i-1,j)+\frac{k-j+1}{k-1}p(i-1,j-1),p(1,1)=1$

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Accepted problems：29 problems

4409 7621 7626 7627 7683 7685 7687 7689 8050 8544 9220 9221 9222 9223 9224 9225 9226 9229 9230 9231 9232 9311 9372 9373 9406 9449 9456 9460 9482

Tried problems：2 problems

7678 9371

Authored problems：0 problem

None

Virtual Participations：2 contests

Name	Start time
The 2nd Universal Cup. Stage 8: Guilin	2024-10-26 16:02:13
The 3rd Universal Cup. Stage 7: Warsaw	2024-09-22 13:10:07

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